A&M diamond burs are made from the finest grade surgical steel and are multilayer coated with premium quality diamonds. Our burs are FDA approved and ISO9002 certified. You receive diamond burs that cut quickly and smoothly. All A&M diamond dental burs are made in the US at our manufacturing plant in Alpharetta, Georgia. A&M diamond dental burs are guaranteed against defects in materials and workmanship. All FG diamond burs have a 1.6mm (1/16") shank and are 22mm in length or shorter, unless otherwise specified. 2.8mm Square Edged Wheel $3.45 2.7mm Square Edged Wheel $3.45 2.9mm Square Edged Wheel $3.45 4.0mm Square Edged Wheel $3.45 5.2mm Square Edged Wheel $3.45 Thank you for visiting A&M Instruments, Inc. Diamond Dental Burs. You will be pleased with the high quality of your dental burs and dental discs. All of our diamond and carbide cutting tools are made in the US, in Alpharetta, GA. Copyright® 2003-2011 A&M Instruments Inc 770-772-6404